"Many years ago, before the dawn of asepsis in the dental office as we now know it... Before handpieces were reliably sterilizable, and at about the same time that HIV and AIDS became the great fear, disposable handpieces were born. I don't remember…"
"There's definite credibility here. I once had an ENT physician use a topical anesthetic in my nose to be able to use an endoscope to check a laceration in my throat... most notably, my maxillary anterior teeth were profoundly anesthetised. The drug…"